<template>
	<!-- 头部区域 -->
		<el-container class="home-container">
		  <el-header>
				<div>
					<img src="../assets/logo.png" />
					<span>电商后台管理系统</span>
				</div>
				<el-button type="info" @click="logout">退出</el-button></el-header>
			<!-- 页面主体 -->
		  <el-container>
				<!-- 侧边栏 -->
		    <el-aside :width="isCollapse?'64px':'200px'">
					<div class="toggle-button" @click="toggleCollapse">|||</div>
					<el-menu background-color="#333744" text-color="#fff" active-text-color="#409EEF" unique-opened :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
					      <el-submenu :index="item.id +''" v-for="item in menuList" :key="item.id">
					        <template slot="title">
					          <i class="el-icon-setting"></i>
					          <span>{{item.authName}}</span>
					        </template>
									<el-menu-item :index="'/'+subItem.path + ''" v-for="subItem in item.children" :key="subItem.id" @click="saveNavState('/'+subItem.path)">
										<template slot="title">
										  <i class="el-icon-menu"></i>
										  <span>{{subItem.authName}}</span>
										</template>
									</el-menu-item>
					      </el-submenu>
					    </el-menu>
				</el-aside>
				<!-- 右侧内容 -->
		    <el-main>
					<router-view></router-view>
				</el-main>
		  </el-container>
		</el-container>
		
</template>

<script>
	export default {
		data(){
			return{
				menuList:[],
				isCollapse:false,
				activePath:''
			}
		},
		created(){
			this.getMenuList()
			this.activePath=window.sessionStorage.getItem('activePath')
		},
		methods:{
			logout(){
				window.sessionStorage.clear()
				this.$router.push('/login')
			},
			async getMenuList(){
				const {data:res}= await this.$http.get('menus')
				// console.log(res)
				if(res.meta.status !==200){
					return this.$message.error(res.meta.msg)
				}else{
					this.menuList=res.data
					// console.log(this.menuList)
				}
			},
			toggleCollapse(){
				this.isCollapse=!this.isCollapse
			},
			saveNavState(activePath){
				window.sessionStorage.setItem('activePath',activePath)
				this.activePath=activePath
			},
			
		}
	}
</script>

<style>
	.home-container{
		height: 100%;
	}
	.el-header{
		background-color: #373d41;
		display: flex;
		justify-content: space-between;
		align-items: center;
		color: #fff;
		font-size: 20px;
	}
	.el-header div{
		display: flex;
		align-items: center;
	}
	.el-header div span{
		margin-left: 15px;
	}
	.el-header div img{
		height: 60px;
		border: 1px solid #111e2c;
		border-radius: 50%;
	}
	.el-aside{
		background-color: #333744;
	}
	.el-menu{
		border-right: none !important;
	}
	.el-main{
		background-color: #eaedf1;
	}
	.toggle-button{
		background-color: #4a5064;
		font-size: 10px;
		color: #fff;
		line-height: 24px;
		text-align: center;
		letter-spacing: 0.2em;
		cursor: pointer;
	}
</style>
